CN208055392U - The control system of steel ladle bottom argon blowing - Google Patents
The control system of steel ladle bottom argon blowing Download PDFInfo
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- CN208055392U CN208055392U CN201820569005.XU CN201820569005U CN208055392U CN 208055392 U CN208055392 U CN 208055392U CN 201820569005 U CN201820569005 U CN 201820569005U CN 208055392 U CN208055392 U CN 208055392U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model discloses a kind of control systems of steel ladle bottom argon blowing.The control system of the steel ladle bottom argon blowing includes：Industrial personal computer, PLC controller, executing agency and at least an on-site terminal, industrial personal computer include：Industrial personal computer Argon control module and industrial personal computer transmission module, industrial personal computer Argon control module are connected with industrial personal computer transmission module, and industrial personal computer Argon control module includes：Industrial personal computer Argon starting module, data obtaining module, mathematical model distribution module, Argon mode selection module, the first computing module and industrial personal computer Argon closedown module.The System for Blowing Argon at Bottom establishes the Argon mathematical model smelted outside all steel kind stove, different mathematics can be automatically selected according to different steel grades, to realize the full-automatic regulation of ladle argon-blown process argon pressure and flow control, long-range industrial personal computer control is provided simultaneously and on-site terminal controls two kinds of control models, the different demands controlled steel ladle bottom argon blowing with adaptive technique personnel.
Description
Technical field
The utility model is related to steelmaking technical fields, in particular to a kind of control system of steel ladle bottom argon blowing.
Background technology
The Control System of Argon Stirring From Bottom of Ladle put into operation at present, usually ladle bottom using two blocks of independent air bricks into
Row Argon controls.The technical solution of existing steel ladle bottom argon blowing control has the following defects：(1) often there is argon flow amount distribution
Uneven phenomenon, argon flow amount, which is crossed conference and blown, to be worn liquid steel level splash occurs, and causes the exposed oxidation of molten steel, field trash to increase, argon
Throughput is too small, cannot quickly stir, and the purpose of removal of inclusions is not achieved；(2) scene does not have operating terminal, causes worker
Field labor intensity it is big；(3) the degree of automation of Control System of Argon Stirring From Bottom of Ladle falls behind, and does not take and controls steel ladle bottom argon blowing
The measure that is collected of process data, and do not provide the process data controlled steel ladle bottom argon blowing or not trace approach.
Utility model content
The utility model aims to solve at least one of technical problems existing in the prior art or related technologies.
For this purpose, the purpose of this utility model is that proposing a kind of control system of steel ladle bottom argon blowing.
To achieve the goals above, the utility model adopts the following technical solution：A kind of control system of steel ladle bottom argon blowing,
Including：Industrial personal computer, PLC controller, executing agency and an at least on-site terminal, the industrial personal computer, executing agency and scene are whole
End is connected with the PLC controller, and the executing agency is connected with Ar inlet and argon gas export, the argon gas export connection
To the air brick of ladle bottom, the PLC controller is for controlling executing agency's action；It is characterized in that, the industry control
Machine includes：Industrial personal computer Argon control module and industrial personal computer transmission module, the industrial personal computer Argon control module are transmitted with industrial personal computer
Module is connected, and the industrial personal computer Argon control module includes：Industrial personal computer Argon starting module, data obtaining module, mathematical modulo
Type distribution module, Argon mode selection module, the first computing module and industrial personal computer Argon closedown module；The industrial personal computer Argon opens
Dynamic model block starts Argon application program instructions for receiving, starts Argon application program；Described information acquisition module, for obtaining
Take ladle information and steel grade information；The mathematical model distribution module, for according to the ladle information and steel grade number
Information distributes the mathematical model of each argon gas demand for smelting the stage of current steel grade；First computing module, for according to institute
Mathematical model is stated, each argon flow amount theoretical value and argon pressure theoretical value for smelting the stage of current steel grade is calculated；The Argon
Mode selection module, for receiving Argon mode selection command, the Argon pattern includes：Long-range industrial personal computer control and scene are whole
End control；The industrial personal computer transmission module, for when receiving long-range industrial personal computer control instruction, sending the argon flow amount reason
By value and argon pressure theoretical value to PLC controller, so that the PLC controller controls executing agency's action；The work
Control machine transmission module is additionally operable to when receiving on-site terminal control instruction, and sending allows on-site terminal control instruction and institute
Argon flow amount theoretical value and argon pressure theoretical value are stated to on-site terminal；The industrial personal computer Argon closedown module is stopped for receiving
Only Argon instructs, and sends the instruction and closed to PLC controller so that PLC controller controls executing agency's stopping action
Argon application program.
Preferably, the on-site terminal includes：On-site terminal transmission module and on-site terminal Argon control module, it is described existing
Field terminal transmission module is connected with on-site terminal Argon control module, and the on-site terminal Argon control module includes：Scene
Terminal Argon starting module, on-site terminal data disaply moudle, on-site terminal Argon closedown module, fast velocity modulation flow module, fine tuning
Flow module and the broken top function module of bypass；The on-site terminal Argon starting module refers to for receiving startup Argon application program
It enables, starts Argon application program；The on-site terminal transmission module, for reception permission on-site terminal control instruction and currently
The each of steel grade smelts the argon flow amount theoretical value and argon pressure theoretical value in stage, and sends the argon flow amount theoretical value and argon
Atmospheric pressure theoretical value is to PLC controller, so that the PLC controller controls executing agency's action；The on-site terminal passes
Defeated module is additionally operable to receive each argon flow amount actual value and argon for smelting the stage for the current steel grade that PLC controller is sent in real time
Atmospheric pressure actual value；The on-site terminal data disaply moudle, for argon pressure actual value and argon gas stream described in real-time display
Measure actual value；The fast velocity modulation flow module for receiving soft argon blowing control instruction or strong Argon control instruction, and sends the instruction
To PLC controller, so that PLC controller controls executing agency's action；The fine tuning flow module increases Argon for receiving
Flow control instructs or reduces argon blowing rate control instruction, and sends the instruction to PLC controller, so that PLC controller controls
Executing agency's action；The broken top function module of bypass, for receiving the instruction for increasing argon blowing rate to preset value, concurrently
Give the instruction to PLC controller, so that PLC controller controls executing agency's action；The on-site terminal Argon closes mould
Block stops Argon instruction for receiving, and sends the instruction to PLC controller, so that PLC controller controls the executing agency
Stopping acts, and closes Argon application program.
Preferably, the executing agency includes：Low-pressure argon source, low-pressure argon input unit, high pressure argon gas source, high pressure argon
Gas input unit, voltage stabilizing input unit, voltage stabilizing packet and at least a set of argon gas output unit；Wherein, the low-pressure argon input is single
One end of member connects the low-pressure argon source, and the other end is connected to the input of the voltage stabilizing packet by the voltage stabilizing input unit
End；One end of the high pressure argon gas input unit connects the high pressure argon gas source, and the other end passes through the voltage stabilizing input unit
It is connected to the input terminal of the voltage stabilizing packet；The output end of the voltage stabilizing packet is connected to the input terminal of the argon gas output unit, institute
The output end for stating argon gas output unit is connected to argon gas export；The argon gas output unit includes that the first argon gas parallel with one another is defeated
Out branch, the second argon gas output branch and third argon gas export branch.
Preferably, the control system of the steel ladle bottom argon blowing further includes：Database module, the database module setting
On the industrial personal computer and/or the on-site terminal, the process data for storing steel ladle bottom argon blowing control, and according to the mistake
Number of passes factually when generate Argon historical data report；The database module is additionally operable to receive and inquires the Argon historical data
The instruction of report.
Preferably, the industrial personal computer Argon control module further includes：Second computing module and third computing module；The work
Control machine transmission module, each argon flow amount for smelting the stage for being additionally operable to receive the current steel grade that PLC controller is sent in real time are practical
Value and argon pressure actual value；Second computing module, for practical according to the argon flow amount actual value, argon pressure
Value, argon flow amount theoretical value and argon pressure theoretical value, judge whether the normal Argon controlling brancher of the executing agency occurs
Failure, and determine that its fault type, the fault type include quality stream when the normal Argon controlling brancher breaks down
Amount controller failure, solenoid valve failure, pressure sensor failure and pressure reducing valve failure；The third computing module, in institute
When stating normal Argon controlling brancher and not breaking down, according to the argon flow amount actual value, argon pressure actual value, argon flow amount
Theoretical value and argon pressure theoretical value, calculate the correction value of the executing agency, and it is default to judge whether the correction value meets
Range；The industrial personal computer transmission module is additionally operable to, when the correction value does not meet preset range, send the correction value extremely
PLC controller, so that the PLC controller controls executing agency's action, until the third computing module calculates
Correction value meet the preset range；The industrial personal computer transmission module is additionally operable to occur in the normal Argon controlling brancher
When mass flow controller failure, solenoid valve failure, pressure sensor failure and/or pressure reducing valve failure, mass flow control is sent
Device fault message, solenoid valve failure information, pressure sensor failure information and/or pressure reducing valve fault message processed to PLC controller,
So that the PLC controller controls executing agency's action.
Preferably, the industrial personal computer Argon control module further includes：Key frame display module, control mode selecting module,
Setting value input module and setting value display module；The key frame display module, for receiving long-range industrial personal computer control
After instruction, industrial personal computer key frame enabled instruction, the key frame of display industrial personal computer Argon control are received；The control mode selects mould
Block, the control mode selection instruction of each Argon controlling brancher for receiving the executing agency, the control mode include：
Manual control mode and automatic control mode；The setting value display module, for when receive manual control mode instruction when,
Show the display of the argon pressure setting value, argon flow amount setting value and/or Argon duration setting value of current Argon controlling brancher
Frame；The setting value input module inputs the argon pressure setting for when receiving manual control mode instruction, receiving
The instruction of value, argon flow amount setting value and/or Argon duration setting value；The industrial personal computer transmission module is additionally operable to receive
The input instruction of the argon pressure setting value, argon flow amount setting value and/or Argon duration setting value of current Argon controlling brancher
When, it sends the input and instructs to PLC controller, so that the PLC controller controls executing agency's action.
The beneficial effects of the utility model：
1, the Argon mathematical model smelted outside all steel kind stove is established, different mathematics can be automatically selected according to different steel grades
Model to realize the full-automatic regulation of ladle argon-blown process argon pressure and flow control, while providing long-range industrial personal computer control
Two kinds of control models, the different demands controlled steel ladle bottom argon blowing with adaptive technique personnel are controlled with on-site terminal；Ladle bottom blowing
Argon, it can be achieved that often locate the opened loop control that air brick carries out accurate Argon to ladle, realizes steel under long-range industrial personal computer control model
The increasingly automated operation of packet BOTTOM ARGON BLOWING, saves a large amount of human resources；
2, when the normal Argon controlling brancher of executing agency does not break down, realization often locates ladle air brick and carries out essence
The closed-loop control of true Argon, improves the Argon control accuracy that ladle often locates air brick, to improve production efficiency and steel-making matter
Amount；Mass flow controller failure, solenoid valve failure, pressure sensor event occurs in the normal Argon controlling brancher of executing agency
When barrier and/or pressure reducing valve failure, executing agency's switching Argon controlling brancher is automatically controlled, ensure that and event occurs in electronic component
The control system normal operation of steel ladle bottom argon blowing when barrier；
3, the control system offer of the steel ladle bottom argon blowing automatically controls and manually controls two kinds of control models, with adaptive technique
The different demands that personnel control steel ladle bottom argon blowing；
4, pass through each argon flow amount actual value and Ar Pressure for smelting the stage of the current steel grade of terminal real-time display at the scene
Power actual value so that terminal can observe the detection data during steel ladle bottom argon blowing to worker at any time at the scene, and at the scene
Corresponding operating is carried out in terminal to achieve the purpose that adjust argon flow amount and pressure；And previous scene does not have operating terminal, needs
Detection data observed in executing agency by worker and be conveyed to industrial personal computer room, then corresponding operating is carried out on industrial personal computer, with
Previous methods are compared, and the control system of the steel ladle bottom argon blowing greatly reduces the field labor intensity of worker；
5, the MANUAL CONTROL mode for providing on-site terminal, to realize steel ladle bottom argon blowing start and stop, bypass broken top function, quick
The simple operations such as stream and fine tuning stream are adjusted, to achieve the purpose that adjust argon flow amount and pressure；The broken top function of bypass can provide larger
Pressure blow the air brick of blocking open, to ensure the normal beginning of steel ladle bottom argon blowing control, the ventilative of main line is controlled for Argon
Brick provides repair function；
6, the process data that the control system of the steel ladle bottom argon blowing can control steel ladle bottom argon blowing is collected, and is passed through
It accesses the process data that database module controls steel ladle bottom argon blowing to inquire, reaches and cross number of passes to what steel ladle bottom argon blowing controlled
According to trace purpose.
The additional aspect and advantage of the utility model will become apparent in the following description, or pass through the utility model
Practice is recognized.
Description of the drawings
Fig. 1 shows the schematic block diagram of the industrial personal computer of one embodiment of the utility model；
Fig. 2 shows the schematic block diagrams of the on-site terminal of one embodiment of the utility model；
Fig. 3 shows the overall schematic of the control system of the steel ladle bottom argon blowing of one embodiment of the utility model；
Fig. 4 shows the schematic diagram of the executing agency in Fig. 3.
Wherein, 1-industrial personal computer, 2-on-site terminals, 3-PLC controllers, 4-executing agencies, 5-Ar inlets, 6-argons
Gas exports, and 7-ladles, 8-air bricks, 9-interchangers, 10-low-pressure argon sources, 11-low-pressure argon input units, 12-is high
Press argon gas source, 13-high pressure argon gas input units, 14-voltage stabilizing input units, 15-voltage stabilizing packets, 16-argon gas output units.
Specific implementation mode
In order to be more clearly understood that the above objects, features, and advantages of the utility model, below in conjunction with the accompanying drawings and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
Novel to be implemented different from other modes described here using other, therefore, the scope of protection of the utility model is simultaneously
It is not limited to the limitation of following public specific embodiment.
As shown in figures 1 and 3, a kind of control system of steel ladle bottom argon blowing, including：Industrial personal computer 1, executes PLC controller 3
Mechanism 4 and two on-site terminals 2, the industrial personal computer 1, executing agency 4 and on-site terminal 2 are connected with the PLC controller 3,
There are two Ar inlet 5 and two argon gas exports 6 for the connection of the executing agency 4, and 7 bottom of ladle is equipped with two blocks of air bricks 8, institute
The air brick 8 that argon gas export 6 is connected to 7 bottom of ladle is stated, the PLC controller 3 is acted for controlling the executing agency 4,
The industrial personal computer 1 and on-site terminal 2 are communicated by interchanger 9 and PLC controller 3, and the industrial personal computer 1 is connected to steel mill
Two grade network.
The industrial personal computer 1 includes：Industrial personal computer Argon control module 102 and industrial personal computer transmission module 128, the industrial personal computer Argon
Control module 102 is connected with industrial personal computer transmission module 128, and the industrial personal computer Argon control module 102 includes：Industrial personal computer Argon
Starting module 104, data obtaining module 106, mathematical model distribution module 108, the first computing module 110, Argon model selection
Module 112 and industrial personal computer Argon closedown module 114.
The industrial personal computer Argon starting module 104 starts Argon application program instructions for receiving, starts Argon application journey
Sequence；Described information acquisition module 106, for obtaining ladle information and steel grade information；The mathematical model distribution module
108, for according to the ladle information and steel grade information, distributing the number of each argon gas demand for smelting the stage of current steel grade
Learn model；First computing module 110, for according to the mathematical model, calculating each argon for smelting the stage of current steel grade
Throughput theoretical value and argon pressure theoretical value；The Argon mode selection module 112 refers to for receiving Argon model selection
It enables, the Argon pattern includes：Long-range industrial personal computer control and on-site terminal control；The industrial personal computer transmission module 128, for working as
When receiving long-range industrial personal computer control instruction, the argon flow amount theoretical value and argon pressure theoretical value are sent to PLC controller,
So that the PLC controller controls executing agency's action；The industrial personal computer transmission module 128 is additionally operable to existing when receiving
When the terminal control instruction of field, sending allows on-site terminal control instruction and the argon flow amount theoretical value and argon pressure theoretical
It is worth to on-site terminal；The industrial personal computer Argon closedown module 114 stops Argon instruction for receiving, and sends the instruction to PLC
Controller closes Argon application program so that PLC controller controls executing agency's stopping action.
In the present embodiment, the industrial personal computer 1 is communicated by Industrial Ethernet and PLC controller 3, on-site terminal 2
It is communicated by PROFIBUS DP interfaces and PLC controller 3, the PLC controller 3 is the editable of Siemens S7-400
Logic controller.The control system of the steel ladle bottom argon blowing can be equipped with in the converter tapping waiting station of steel mill per block converter
The control system of a set of steel ladle bottom argon blowing.The control system of the steel ladle bottom argon blowing includes two on-site terminals 2, and two scenes are eventually
End 2 is respectively arranged in the tapping soft blow station of corresponding buggy ladle and feeds silk charging station；The control system of the steel ladle bottom argon blowing is also
The control system of two sets of steel ladle bottom argon blowings can be equipped in every LF refining furnace on the refining furnace of steel mill；In order to reduce
The control system of cost of investment, the steel ladle bottom argon blowing can only include an on-site terminal 2, and on-site terminal 2 is installed on corresponding steel
The tapping soft blow station of hired car and close fire door operate convenient for the entire molten steel dynamic of field observation and scene adjustment.If the ladle
The control system of BOTTOM ARGON BLOWING is simultaneously with the Ladle Bottom in the converter tapping waiting station and refining furnace of steel mill, being mounted on refining furnace
The control system of Argon will couple with the industrial personal computer in converter tapping waiting station, so as to remote monitoring.
In the present embodiment, the Argon mathematical model smelted outside all steel kind stove is established, can automatically be selected according to different steel grades
Different mathematical models is selected, to realize the full-automatic regulation of ladle argon-blown process argon pressure and flow control, while being provided remote
Journey industrial personal computer controls and on-site terminal controls two kinds of control models, is needed to the difference that steel ladle bottom argon blowing controls with adaptive technique personnel
It asks；Steel ladle bottom argon blowing is under long-range industrial personal computer control model, it can be achieved that often locating the open loop that air brick carries out accurate Argon to ladle
Control, realizes the increasingly automated operation of steel ladle bottom argon blowing, saves a large amount of human resources.
As shown in Fig. 2, on-site terminal 2 includes：On-site terminal transmission module 202 and on-site terminal Argon control module 204,
The on-site terminal transmission module 202 is connected with on-site terminal Argon control module 204, and the on-site terminal Argon controls mould
Block 204 includes：On-site terminal Argon starting module 206, on-site terminal data disaply moudle 208, on-site terminal Argon close mould
Block 210, fast velocity modulation flow module 212, fine tuning flow module 214 and the broken top function module 216 of bypass.
The on-site terminal Argon starting module 206 starts Argon application program instructions for receiving, starts Argon application
Program；The on-site terminal transmission module 202, for receiving each smelting for allowing on-site terminal control instruction and current steel grade
The argon flow amount theoretical value and argon pressure theoretical value in stage, and send the argon flow amount theoretical value and argon pressure theoretical value
To PLC controller, so that the PLC controller controls executing agency's action；The on-site terminal transmission module 202, also
Each argon flow amount actual value for smelting the stage and argon pressure for receiving the current steel grade that PLC controller is sent in real time is practical
Value；The on-site terminal data disaply moudle 208, it is practical for argon pressure actual value and argon flow amount described in real-time display
Value；The fast velocity modulation flow module 212 for receiving soft argon blowing control instruction or strong Argon control instruction, and sends the instruction extremely
PLC controller, so that PLC controller controls executing agency's action；The fine tuning flow module 214 is blown for receiving to increase
Argon flow control instructs or reduces argon blowing rate control instruction, and sends the instruction to PLC controller, for PLC controller control
Make executing agency's action；The broken top function module 216 of bypass, increases argon blowing rate to the finger of preset value for receiving
It enables, and sends the instruction to PLC controller, so that PLC controller controls executing agency's action；The on-site terminal Argon
Closedown module 210 stops Argon instruction for receiving, and sends the instruction to PLC controller, so that PLC controller controls institute
Executing agency's stopping action being stated, Argon application program is closed.
In the present embodiment, practical by each argon flow amount for smelting the stage of the current steel grade of terminal real-time display at the scene
Value and argon pressure actual value so that terminal can observe the testing number during steel ladle bottom argon blowing to worker at any time at the scene
According to, and corresponding operating is carried out to achieve the purpose that adjust argon flow amount and pressure in terminal at the scene；And previous scene does not have
Operating terminal needs to observe detection data in executing agency by worker and is conveyed to industrial personal computer room, then carried out on industrial personal computer
Corresponding operating, compared with conventional art scheme, the control system of the steel ladle bottom argon blowing greatly reduces the field labor of worker
Intensity.
In the present embodiment, the MANUAL CONTROL mode for providing on-site terminal, to realize that steel ladle bottom argon blowing start and stop, bypass are broken
The simple operations such as function, fast velocity modulation stream and fine tuning stream are pushed up, to achieve the purpose that adjust argon flow amount and pressure.
As shown in figure 4, the executing agency 4 specifically includes：Low-pressure argon source 10, low-pressure argon input unit 11, high pressure
Argon gas source 12, high pressure argon gas input unit 13, voltage stabilizing input unit 14, voltage stabilizing packet 15 and two sets of argon gas output units 16；Wherein,
One end of the low-pressure argon input unit 11 connects the low-pressure argon source 10, and the other end passes through the voltage stabilizing input unit
14 are connected to the input terminal of the voltage stabilizing packet 15；One end of the high pressure argon gas input unit 13 connects the high pressure argon gas source
12, the other end is connected to the input terminal of the voltage stabilizing packet 15 by the voltage stabilizing input unit 14；The voltage stabilizing packet 15 it is defeated
Outlet is connected to the input terminal of the argon gas output unit 16, and the output end of the argon gas output unit 16 is connected to argon gas export
6；The argon gas output unit 16 includes that the first argon gas parallel with one another exports branch, the second argon gas output branch and third argon gas
Export branch.
The low-pressure argon input unit 11 is provided with second gas filter, second pressure gauge and second solenoid valve, institute
It states high pressure argon gas input unit 13 and is provided with first gas filter, first pressure gauge and the first solenoid valve, the voltage stabilizing input
Unit 14 is provided with the first pressure reducing valve, third pressure gauge and first pressure sensor；The first argon gas output branch is provided with
First manual regulating valve, first check-valve, second pressure sensor and noise reduction relief valve, the second argon gas output branch setting
There are the second manual modulation valve, third solenoid valve, second check-valve, second pressure sensor and noise reduction relief valve, the third argon
Gas output branch is provided with third manual modulation valve, the second pressure reducing valve, the 4th pressure gauge, the 4th solenoid valve, mass flow control
Device, third check-valves, second pressure sensor and noise reduction relief valve；It is defeated in the low-pressure argon input unit 11 and high pressure argon gas
Enter unit 13 and is also respectively provided with the 4th manual modulation valve and the 5th manual modulation valve.
In the present embodiment, 10 corresponding argon pressure of low-pressure argon source is ranging from：0.4 to 0.8MPa, high pressure argon gas source
12 corresponding argon pressures are ranging from：1.2 to 1.6MPa.Executing agency 4 is made of acquisition module and execution module, the acquisition
Module includes：First pressure sensor, second pressure sensor, mass flow controller, first pressure gauge, second pressure gauge,
Third pressure gauge and the 4th pressure gauge, the execution module include：First solenoid valve, second solenoid valve, third solenoid valve, the 4th
Solenoid valve, the first pressure reducing valve, the second pressure reducing valve, noise reduction relief valve, first manual regulating valve, the second manual modulation valve, third hand
Dynamic regulating valve, the 4th manual modulation valve and the 5th manual modulation valve；Wherein, first pressure gauge, second pressure gauge, third pressure gauge
It is used to detect the argon pressure in corresponding argon gas pipeline with the 4th pressure gauge, first pressure sensor and second pressure sensor will
Argon pressure in the correspondence argon gas pipeline of acquisition is sent to PLC controller 3 in real time, and mass flow controller is by the correspondence of acquisition
Argon flow amount in argon gas pipeline is sent to PLC controller 3, PLC controller 3 by the pressure signal received and flow signal into
Row processing, the execution module that executing agency 4 is controlled further according to treated signal are acted；Such as：Mould is executed by adjusting
The aperture of first solenoid valve in the block, second solenoid valve, third solenoid valve and the 4th solenoid valve reaches in corresponding argon gas pipeline
Argon pressure and the purpose that is controlled of argon flow amount.
When starting Argon application program on industrial personal computer, PLC controller 3 automatically turns on the broken top function module of bypass, bypass
Broken top function can provide the air brick that larger pressure blows blocking open, to ensure the normal beginning of steel ladle bottom argon blowing control, to blow
The air brick that argon controls main line provides repair function；And then PLC controller 3 controls executing agency 4 and acts so that argon gas is from the
Three argon gas export branch (i.e. the normal Argon controlling brancher of executing agency) and export, to carry out Argon to ladle 7；And then basis
The argon flow amount actual value and argon pressure actual value that acquisition module acquires in real time, and the argon gas stream that is obtained according to mathematical model
Theoretical value and argon pressure theoretical value are measured, judges the normal Argon controlling brancher (i.e. third argon gas output branch) of executing agency 4
Whether break down, and its fault type is determined when normal Argon controlling brancher breaks down.
When mass flow controller failure occurs for normal Argon controlling brancher, mass flow controller fault message is sent
To PLC controller 3, is acted so that PLC controller 3 controls the executing agency 4, automatically control argon gas and export branch from the second argon gas
Road exports, and Argon is carried out to ladle 7.Solenoid valve failure, pressure sensor failure occurs in normal Argon controlling brancher and/or subtracts
When pressure valve failure, transmission solenoid valve failure information, pressure sensor failure information and/or pressure reducing valve fault message to the PLC
Controller 3 acts so that the PLC controller 3 controls the executing agency 4, automatically controls argon gas and export branch from the first argon gas
Road exports, and Argon is carried out to ladle 7.
Mass flow controller failure, solenoid valve failure, pressure occurs in the normal Argon controlling brancher of executing agency to pass
When sensor failure and/or pressure reducing valve failure, by sending mass flow controller fault message, solenoid valve failure information, pressure
Sensor fault information and/or pressure reducing valve fault message are moved to PLC controller so that PLC controller controls the executing agency
Make, when the electronic component of normal Argon controlling brancher breaks down, to automatically control executing agency's switching Argon control
Branch ensure that the control system normal operation of the steel ladle bottom argon blowing when electronic component breaks down.
On-site terminal 2 can be provided with touch screen, when technical staff selects soft argon blowing control by touch screen, execute machine
Structure 4 controls argon gas from the output branch output of the first argon gas, to carry out Argon；When selecting strong Argon control, executing agency 4 is controlled
Argon gas processed is from the output branch output of the second argon gas, to carry out Argon；Technical staff can carry out increase Argon by touch screen
Flow reduces argon blowing rate control, comes particular by the aperture for the 4th solenoid valve for adjusting third argon gas output branch road real
It is existing；For example, the fine tuning flow module on on-site terminal 2 can be finely adjusted by setting " increase " or " reduction " virtual push button, with
Meet the requirement of process for making, " increase " or " reduction " button is often pressed once, and setting flow changes 5NL/min, can also press always
Firmly button is needed for the satisfaction until flow.The broken top function module of bypass is export branch road by adjusting third argon gas the 4
The aperture of solenoid valve is realized to preset value.
In the present embodiment, the control system of the steel ladle bottom argon blowing further includes：Database module, the database
Module is arranged on the industrial personal computer 1 and/or the on-site terminal 2, the process data for storing steel ladle bottom argon blowing control, and
The report of Argon historical data is generated in real time according to the process data；The database module is additionally operable to receive and be blown described in inquiry
The instruction of argon historical data report；The control system of the steel ladle bottom argon blowing can carry out the process data that steel ladle bottom argon blowing controls
It collects, and inquired by accessing the process data that database module controls steel ladle bottom argon blowing, reaches to steel ladle bottom argon blowing
The process data of control traces purpose.
In the present embodiment, the industrial personal computer Argon control module 102 further includes：Second computing module 116 and third meter
Calculate module 118；The industrial personal computer transmission module 128 is additionally operable to receive each smelting for the current steel grade that PLC controller is sent in real time
The argon flow amount actual value and argon pressure actual value in stage；Second computing module 116, for according to the argon flow amount
Actual value, argon pressure actual value, argon flow amount theoretical value and argon pressure theoretical value judge that the normal of the executing agency is blown
Whether argon controlling brancher breaks down, and determines its fault type when the normal Argon controlling brancher breaks down, described
Fault type includes mass flow controller failure, solenoid valve failure, pressure sensor failure and pressure reducing valve failure；The third
Computing module 118, for when the normal Argon controlling brancher does not break down, according to the argon flow amount actual value, argon
Atmospheric pressure actual value, argon flow amount theoretical value and argon pressure theoretical value, calculate the correction value of the executing agency, and judge institute
State whether correction value meets preset range；The industrial personal computer transmission module 128 is additionally operable to not meet default model in the correction value
When enclosing, the correction value is sent to PLC controller, so that the PLC controller controls executing agency's action, until described
The correction value that third computing module 118 calculates meets preset range；The industrial personal computer transmission module 128, is additionally operable in institute
It states normal Argon controlling brancher and mass flow controller failure, solenoid valve failure, pressure sensor failure and/or pressure reducing valve occurs
When failure, mass flow controller fault message, solenoid valve failure information, pressure sensor failure information and/or decompression are sent
Valve fault message is to PLC controller, so that the PLC controller controls executing agency's action.
In the present embodiment, when the normal Argon controlling brancher of executing agency does not break down, by sending correction value
It is real until the correction value calculated meets preset range for the action of PLC controller control executing agency to PLC controller
Now often locate the closed-loop control that air brick carries out accurate Argon to ladle, improve the Argon control accuracy that ladle often locates air brick,
To improve production efficiency and steel-making quality.
Mass flow controller failure, solenoid valve failure, pressure occurs in the normal Argon controlling brancher of executing agency to pass
When sensor failure and/or pressure reducing valve failure, by sending mass flow controller fault message, solenoid valve failure information, pressure
Sensor fault information and/or pressure reducing valve fault message are moved to PLC controller so that PLC controller controls the executing agency
Make, when the electronic component of normal Argon controlling brancher breaks down, to automatically control executing agency's switching Argon control
Branch ensure that the control system normal operation of the steel ladle bottom argon blowing when electronic component breaks down.
In the present embodiment, the industrial personal computer Argon control module 102 further includes：Key frame display module 120, controlling party
Formula selecting module 122, setting value display module 124 and setting value input module 126；The key frame display module 120, is used for
After receiving long-range industrial personal computer control instruction, industrial personal computer key frame enabled instruction, the master of display industrial personal computer Argon control are received
Picture；The control mode selecting module 122, the control mode of each Argon controlling brancher for receiving the executing agency
Selection instruction, the control mode include：Manual control mode and automatic control mode；The setting value display module 124 is used
In when receiving manual control mode instruction, show that the argon pressure setting value of current Argon controlling brancher, argon flow amount are set
The display box of definite value and/or Argon duration setting value；The setting value input module 126 receives the side of manually controlling for working as
When formula instructs, the instruction for inputting the argon pressure setting value, argon flow amount setting value and/or Argon duration setting value is received；
The industrial personal computer transmission module 128 is additionally operable to when argon pressure setting value, the argon flow amount for receiving current Argon controlling brancher
It when the input instruction of setting value and/or Argon duration setting value, sends the input and instructs to PLC controller, so that the PLC is controlled
Device processed controls executing agency's action.
In the present embodiment, provide long-range industry control generator terminal automatically controls and manually controls two kinds of control models, to adapt to
The different demands that technical staff controls steel ladle bottom argon blowing.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of control system of steel ladle bottom argon blowing, including：Industrial personal computer, PLC controller, executing agency and at least one scene are eventually
End, the industrial personal computer, executing agency and on-site terminal are connected with the PLC controller, and the executing agency is connected with argon gas
Entrance and argon gas export, the argon gas export are connected to the air brick of ladle bottom, and the PLC controller is for controlling described hold
Row mechanism action；It is characterized in that,
The industrial personal computer includes：Industrial personal computer Argon control module and industrial personal computer transmission module, the industrial personal computer Argon control module
It is connected with industrial personal computer transmission module, the industrial personal computer Argon control module includes：Industrial personal computer Argon starting module, acquisition of information
Module, mathematical model distribution module, Argon mode selection module, the first computing module and industrial personal computer Argon closedown module；
The industrial personal computer Argon starting module starts Argon application program instructions for receiving, starts Argon application program；
Described information acquisition module, for obtaining ladle information and steel grade information；
The mathematical model distribution module, for according to the ladle information and steel grade information, distributing each of current steel grade
The mathematical model of the argon gas demand in smelting stage；
First computing module, for according to the mathematical model, calculating each argon flow amount for smelting the stage of current steel grade
Theoretical value and argon pressure theoretical value；
The Argon mode selection module, for receiving Argon mode selection command, the Argon pattern includes：Long-range industrial personal computer
Control and on-site terminal control；
The industrial personal computer transmission module, it is theoretical for when receiving long-range industrial personal computer control instruction, sending the argon flow amount
Value and argon pressure theoretical value are to PLC controller, so that the PLC controller controls executing agency's action；
The industrial personal computer transmission module is additionally operable to when receiving on-site terminal control instruction, and sending allows on-site terminal to control
Instruction and the argon flow amount theoretical value and argon pressure theoretical value are to on-site terminal；
The industrial personal computer Argon closedown module stops Argon instruction for receiving, and sends the instruction to PLC controller, for
PLC controller controls executing agency's stopping action, closes Argon application program.
2. the control system of steel ladle bottom argon blowing according to claim 1, which is characterized in that
The on-site terminal includes：On-site terminal transmission module and on-site terminal Argon control module, the on-site terminal transmission
Module is connected with on-site terminal Argon control module, and the on-site terminal Argon control module includes：On-site terminal Argon opens
Dynamic model block, on-site terminal data disaply moudle, on-site terminal Argon closedown module, fast velocity modulation flow module, fine tuning flow module and side
The broken top function module in road；
The on-site terminal Argon starting module starts Argon application program instructions for receiving, starts Argon application program；
The on-site terminal transmission module, for receiving each smelting stage for allowing on-site terminal control instruction and current steel grade
Argon flow amount theoretical value and argon pressure theoretical value, and send the argon flow amount theoretical value and argon pressure theoretical value extremely
PLC controller, so that the PLC controller controls executing agency's action；
The on-site terminal transmission module is additionally operable to receive each smelting stage for the current steel grade that PLC controller is sent in real time
Argon flow amount actual value and argon pressure actual value；
The on-site terminal data disaply moudle, for argon pressure actual value and argon flow amount actual value described in real-time display；
The fast velocity modulation flow module for receiving soft argon blowing control instruction or strong Argon control instruction, and sends the instruction to PLC
Controller, so that PLC controller controls executing agency's action；
The fine tuning flow module increases argon blowing rate control instruction or reduction argon blowing rate control instruction for receiving, and sends
The instruction is to PLC controller, so that PLC controller controls executing agency's action；
The broken top function module of bypass, for receiving the instruction for increasing argon blowing rate to preset value, and sends the instruction to PLC
Controller, so that PLC controller controls executing agency's action；
The on-site terminal Argon closedown module stops Argon instruction for receiving, and sends the instruction to PLC controller, with
Executing agency's stopping action being controlled for PLC controller, closes Argon application program.
3. the control system of steel ladle bottom argon blowing according to claim 1 or 2, which is characterized in that
The executing agency includes：Low-pressure argon source, low-pressure argon input unit, high pressure argon gas source, high pressure argon gas input unit,
Voltage stabilizing input unit, voltage stabilizing packet and at least a set of argon gas output unit；Wherein, one end connection of the low-pressure argon input unit
The low-pressure argon source, the other end are connected to the input terminal of the voltage stabilizing packet by the voltage stabilizing input unit；The high pressure
One end of argon gas input unit connects the high pressure argon gas source, and the other end is connected to described steady by the voltage stabilizing input unit
The input terminal of briquetting；The output end of the voltage stabilizing packet is connected to the input terminal of the argon gas output unit, and the argon gas output is single
The output end of member is connected to argon gas export；The argon gas output unit includes that the first argon gas parallel with one another exports branch, second
Argon gas exports branch and third argon gas exports branch.
4. the control system of steel ladle bottom argon blowing according to claim 3, which is characterized in that further include：
Database module, the database module is arranged on the industrial personal computer and/or the on-site terminal, for storing ladle
The process data of BOTTOM ARGON BLOWING control, and the report of Argon historical data is generated according to the process data in real time；
The database module is additionally operable to receive the instruction for inquiring the Argon historical data report.
5. the control system of steel ladle bottom argon blowing according to claim 1, which is characterized in that
The industrial personal computer Argon control module further includes：Second computing module and third computing module；
The industrial personal computer transmission module is additionally operable to receive each argon for smelting the stage for the current steel grade that PLC controller is sent in real time
Throughput actual value and argon pressure actual value；
Second computing module, for according to the argon flow amount actual value, argon pressure actual value, argon flow amount theoretical value
With argon pressure theoretical value, judge whether the normal Argon controlling brancher of the executing agency breaks down, and described normal
Argon controlling brancher determines that its fault type, the fault type include mass flow controller failure, electromagnetism when breaking down
Valve failure, pressure sensor failure and pressure reducing valve failure；
The third computing module, for when the normal Argon controlling brancher does not break down, according to the argon flow amount
Actual value, argon pressure actual value, argon flow amount theoretical value and argon pressure theoretical value, calculate the amendment of the executing agency
Value, and judge whether the correction value meets preset range；
The industrial personal computer transmission module is additionally operable to, when the correction value does not meet preset range, send the correction value to PLC
Controller, so that the PLC controller controls executing agency's action, until what the third computing module calculated repaiies
Positive value meets the preset range；
The industrial personal computer transmission module is additionally operable to that mass flow controller failure, electricity occurs in the normal Argon controlling brancher
When magnet valve failure, pressure sensor failure and/or pressure reducing valve failure, mass flow controller fault message, solenoid valve event are sent
Hinder information, pressure sensor failure information and/or pressure reducing valve fault message to PLC controller, so that the PLC controller controls
Executing agency's action.
6. the control system of steel ladle bottom argon blowing according to claim 1, which is characterized in that
The industrial personal computer Argon control module further includes：Key frame display module, control mode selecting module, setting value input mould
Block and setting value display module；
The key frame display module starts for after receiving long-range industrial personal computer control instruction, receiving industrial personal computer key frame
Instruction, the key frame of display industrial personal computer Argon control；
The control mode selecting module, the control mode selection of each Argon controlling brancher for receiving the executing agency
Instruction, the control mode include：Manual control mode and automatic control mode；
The setting value display module, for when receiving manual control mode instruction, showing current Argon controlling brancher
The display box of argon pressure setting value, argon flow amount setting value and/or Argon duration setting value；
The setting value input module is set for when receiving manual control mode instruction, receiving the input argon pressure
The instruction of definite value, argon flow amount setting value and/or Argon duration setting value；
The industrial personal computer transmission module is additionally operable to when argon pressure setting value, the argon gas stream for receiving current Argon controlling brancher
When the input instruction of amount setting value and/or Argon duration setting value, sends the input and instruct to PLC controller, for the PLC
Controller controls executing agency's action.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820569005.XU CN208055392U (en) | 2018-04-20 | 2018-04-20 | The control system of steel ladle bottom argon blowing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820569005.XU CN208055392U (en) | 2018-04-20 | 2018-04-20 | The control system of steel ladle bottom argon blowing |
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| CN208055392U true CN208055392U (en) | 2018-11-06 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110079644A (en) * | 2019-06-11 | 2019-08-02 | 山东钢铁股份有限公司 | A kind of ladle purging control system |
| CN110387454A (en) * | 2018-04-20 | 2019-10-29 | 沈阳人和机械制造有限公司 | The control system and method for steel ladle bottom argon blowing |
| CN111644584A (en) * | 2020-07-25 | 2020-09-11 | 莱芜钢铁集团银山型钢有限公司 | Soft blowing method and control device for bottom blowing argon of continuous casting ladle turret |
| CN112251565A (en) * | 2020-09-30 | 2021-01-22 | 联峰钢铁（张家港）有限公司 | Efficient ladle bottom argon blowing process |
-
2018
- 2018-04-20 CN CN201820569005.XU patent/CN208055392U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110387454A (en) * | 2018-04-20 | 2019-10-29 | 沈阳人和机械制造有限公司 | The control system and method for steel ladle bottom argon blowing |
| CN110079644A (en) * | 2019-06-11 | 2019-08-02 | 山东钢铁股份有限公司 | A kind of ladle purging control system |
| CN111644584A (en) * | 2020-07-25 | 2020-09-11 | 莱芜钢铁集团银山型钢有限公司 | Soft blowing method and control device for bottom blowing argon of continuous casting ladle turret |
| CN112251565A (en) * | 2020-09-30 | 2021-01-22 | 联峰钢铁（张家港）有限公司 | Efficient ladle bottom argon blowing process |
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Effective date of registration: 20190408 Address after: 110 000 No. 21 Yushutun Street, Shenhe District, Shenyang City, Liaoning Province Patentee after: Renhe Machinery Manufacture Co., Ltd, Shenyang Address before: 110000 Youth Street, Shenhe District, Shenyang City, Liaoning Province, 51-1 (1-8-1) Patentee before: Shenyang Bei Shang Polytron Technologies Inc |
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Denomination of utility model: Steel ladle bottom argon blowing control system and method Effective date of registration: 20200331 Granted publication date: 20181106 Pledgee: Shenyang Shengjing Financing Guarantee Co., Ltd Pledgor: SHENYANG RENHE MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2020210000004 |
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